[FFmpeg-user] Dealing with incomplete HEVC/h265 video
aviv.hurvitz at gmail.com
Wed Sep 12 12:30:29 EEST 2018
I tried converting to mkv but it exhibited the same "skipping" problem.
I'll try to delve into the HEVC stream format, maybe I'll see a record of
the skipping in there. I hope there is a frame index or time stamp per
frame within. (?)
On Wed, Sep 12, 2018 at 12:40 AM Carl Eugen Hoyos <ceffmpeg at gmail.com>
> 2018-09-11 18:54 GMT+02:00, Aviv Hurvitz <aviv.hurvitz at gmail.com>:
> > I am using a somewhat experimental evaluation board to record HEVC
> video. I
> > converted the stream to mp4 using this command:
> > ffmpeg -i input.bin -c:v copy out.mp4
> Not necessarily related:
> FFmpeg is unable to write correct vfr mp4 files, consider using
> > I can play out.mp4, however I see the video skips at some point and plays
> > at faster-than-life rate at another point.
> > I think there are dropped frames, and the conversion naively makes
> > everything fixed rate at 25 FPS.
> > Is there a way to dump the original time stamps and/or frame indices in
> > HEVC stream, to study its integrity?
> What are the "original time stamps"?
> FFmpeg is known to not correctly read timestamps from raw
> H.264 files, I didn't know the same issue exists for hevc.
> Carl Eugen
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